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PrivacyPrivacy in Businessin Business ProcessesProcesses byby
IdentityIdentity ManagementManagement
IST 2006, Helsinki, November 23IST 2006, Helsinki, November 23rdrd, 2006, 2006
Sven Wohlgemuth
Prof. Dr. Günter Müller
Albert-Ludwig University of Freiburg, Germany
Institute of Computer Science and Social Studies
Department of Telematics
http://www.telematik.uni-freiburg.de
http://www.telematik.uni-freiburg.de 2Sven Wohlgemuth <wohlgemuth@iig.uni-freiburg.de>
IIG Telematics
Prof. Dr. Günter Müller
Computer science
(7 assistants)
Privacy &
security E-Commerce Economics
(7 assistants)
• iManager: Security and usability by identity management (CeBIT 2003, doIT Software-Award
2003)
• Int. Conference on Emerging Trends in Information and Communication Security (ETRICS)
2006
• Editor of CACM special issue “Privacy and Security in Highly Dynamic Systems”, Sept. 2006
• Electronic Commerce Enquête 2005: Use of IT in German enterprises
• Coordination of German Priority Programme “Security in the Information and Communication
Technology”
• Coordination of FIDIS NoE work package “Privacy in Business Processes”
http://www.telematik.uni-freiburg.de 3Sven Wohlgemuth <wohlgemuth@iig.uni-freiburg.de>
43,6%
37,3% 34,4% 34,2%
22,6% 20,9%
44,3%
46,8% 49,8% 47,7%
56,7% 58,4%
12,0%
16,0% 15,8% 18,1% 20,7% 20,7%
0%
10%
20%
30%
40%
50%
60%
70%
80%
90%
100%
no
medium
high
Costly integration
in processes
Expected neg.
reaction since
privacy
violation
Doubts wrt.
data
protection
laws
Low customer
acceptance
Other legal
doubts
Pot. loss
of reputation
http://www.telematik.uni-freiburg.de/ece.php
SurveySurvey forfor Germany (ECE IV)Germany (ECE IV)
MostMost ImportantImportant BarriersBarriers forfor PersonalizedPersonalized ServicesServices
http://www.telematik.uni-freiburg.de 4Sven Wohlgemuth <wohlgemuth@iig.uni-freiburg.de>
I want a car
Car
Service 1
Service 2
Challenge: User-controlled disclosure of personal data
I need money
Money
Profile 1
Profile 2
Jendricke, U., Gerd tom Markotten, D.: Usability meets Security - The Identity-Manager as your Personal Security Assistant for the Internet, ACSAC, 2000
Problem 1: Linkability ofProblem 1: Linkability of ProfilesProfiles
Personalised services:
Conscious data collection
Creating profiles
Tracing an user by
identifying data
U
=
profile
Driving
licence
Stella Freiburger
Classes: ABE
Friedrichstr. 50
D-79098 Freiburg
Germany
IP: 132.15.16.3
Driving
licence
Stella Freiburger
Classes: ABE
Friedrichstr. 50
D-79098 Freiburg
Germany
IP: 132.15.16.3
Driving
licence
Stella Freiburger
Classes: ABE
Friedrichstr. 50
D-79098 Freiburg
Germany
IP: 132.15.16.3
Driving
licence
Stella Freiburger
Classes: ABE
Friedrichstr. 50
D-79098 Freiburg
Germany
IP: 132.15.16.3
Identity management (e.g. Freiburg iManager)
http://www.telematik.uni-freiburg.de 5Sven Wohlgemuth <wohlgemuth@iig.uni-freiburg.de>
Wohlgemuth, S., Müller, G.: Privacy with Delegation of Rights by Identity Management, LNCS 3995, 2006
Need medical
help
Therapy
Service 1
Blood analysis of P
Result
Service 2 …
Person
Person
Profile 2
Profile
1+2+…
Big Brother
Loss of control• All-or-nothing delegation
• DREISAM: Protocol for unlinkable delegation of rights on personal data
Problem 2: Delegation ofProblem 2: Delegation of ProfilesProfiles
Challenge: User-controlled disclosure and use of personal data
Driving
licence
Stella Freiburger
Classes: ABE
Friedrichstr. 50
D-79098 Freiburg
Germany
IP: 132.15.16.3
Driving
licence
Stella Freiburger
Classes: ABE
Friedrichstr. 50
D-79098 Freiburg
Germany
IP: 132.15.16.3
Driving
licence
Stella Freiburger
Classes: ABE
Friedrichstr. 50
D-79098 Freiburg
Germany
IP: 132.15.16.3
Driving
licence
Stella Freiburger
Classes: ABE
Friedrichstr. 50
D-79098 Freiburg
Germany
IP: 132.15.16.3
http://www.telematik.uni-freiburg.de 6Sven Wohlgemuth <wohlgemuth@iig.uni-freiburg.de>
Service 1
Profile 1
RFID
data
Sensor
data
Policy
data
Video
data
AmI changes collection:
Conscious communication
Unaware
human-machine
communication
User has no control on disclosure
of personal data
…
Sackmann, S., Strüker, J., Accorsi, R.: Personalization in Privacy-Aware Highly Dynamic Systems, CACM 49(9), 2006
Challenge: Avoidance of loss of control on personal data
Problem 3: Unaware Collection of ProfilesProblem 3: Unaware Collection of Profiles
http://www.telematik.uni-freiburg.de 7Sven Wohlgemuth <wohlgemuth@iig.uni-freiburg.de>
OurOur Approach:Approach: PrivacyPrivacy EvidenceEvidence
Accorsi, R.: On the Relationship of Privacy and Secure Remote Logging in Dynamic Systems, IFIP/SEC 2006
http://www.telematik.uni-freiburg.de 8Sven Wohlgemuth <wohlgemuth@iig.uni-freiburg.de>
Contact me!
Sven Wohlgemuth
E-Mail wohlgemuth@iig.uni-freiburg.de
WWW http://www.telematik.uni-freiburg.de
LookingLooking forfor PartnersPartners
Challenge: Avoidance of loss of control on personal data
Privacy evidences
Flexible privacy policy
Usable secure
interfaces
Delegation
Secure logging & audit
Watch this space!

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Privacy in Business Processes by Identity Management

  • 1. PrivacyPrivacy in Businessin Business ProcessesProcesses byby IdentityIdentity ManagementManagement IST 2006, Helsinki, November 23IST 2006, Helsinki, November 23rdrd, 2006, 2006 Sven Wohlgemuth Prof. Dr. Günter Müller Albert-Ludwig University of Freiburg, Germany Institute of Computer Science and Social Studies Department of Telematics http://www.telematik.uni-freiburg.de
  • 2. http://www.telematik.uni-freiburg.de 2Sven Wohlgemuth <wohlgemuth@iig.uni-freiburg.de> IIG Telematics Prof. Dr. Günter Müller Computer science (7 assistants) Privacy & security E-Commerce Economics (7 assistants) • iManager: Security and usability by identity management (CeBIT 2003, doIT Software-Award 2003) • Int. Conference on Emerging Trends in Information and Communication Security (ETRICS) 2006 • Editor of CACM special issue “Privacy and Security in Highly Dynamic Systems”, Sept. 2006 • Electronic Commerce Enquête 2005: Use of IT in German enterprises • Coordination of German Priority Programme “Security in the Information and Communication Technology” • Coordination of FIDIS NoE work package “Privacy in Business Processes”
  • 3. http://www.telematik.uni-freiburg.de 3Sven Wohlgemuth <wohlgemuth@iig.uni-freiburg.de> 43,6% 37,3% 34,4% 34,2% 22,6% 20,9% 44,3% 46,8% 49,8% 47,7% 56,7% 58,4% 12,0% 16,0% 15,8% 18,1% 20,7% 20,7% 0% 10% 20% 30% 40% 50% 60% 70% 80% 90% 100% no medium high Costly integration in processes Expected neg. reaction since privacy violation Doubts wrt. data protection laws Low customer acceptance Other legal doubts Pot. loss of reputation http://www.telematik.uni-freiburg.de/ece.php SurveySurvey forfor Germany (ECE IV)Germany (ECE IV) MostMost ImportantImportant BarriersBarriers forfor PersonalizedPersonalized ServicesServices
  • 4. http://www.telematik.uni-freiburg.de 4Sven Wohlgemuth <wohlgemuth@iig.uni-freiburg.de> I want a car Car Service 1 Service 2 Challenge: User-controlled disclosure of personal data I need money Money Profile 1 Profile 2 Jendricke, U., Gerd tom Markotten, D.: Usability meets Security - The Identity-Manager as your Personal Security Assistant for the Internet, ACSAC, 2000 Problem 1: Linkability ofProblem 1: Linkability of ProfilesProfiles Personalised services: Conscious data collection Creating profiles Tracing an user by identifying data U = profile Driving licence Stella Freiburger Classes: ABE Friedrichstr. 50 D-79098 Freiburg Germany IP: 132.15.16.3 Driving licence Stella Freiburger Classes: ABE Friedrichstr. 50 D-79098 Freiburg Germany IP: 132.15.16.3 Driving licence Stella Freiburger Classes: ABE Friedrichstr. 50 D-79098 Freiburg Germany IP: 132.15.16.3 Driving licence Stella Freiburger Classes: ABE Friedrichstr. 50 D-79098 Freiburg Germany IP: 132.15.16.3 Identity management (e.g. Freiburg iManager)
  • 5. http://www.telematik.uni-freiburg.de 5Sven Wohlgemuth <wohlgemuth@iig.uni-freiburg.de> Wohlgemuth, S., Müller, G.: Privacy with Delegation of Rights by Identity Management, LNCS 3995, 2006 Need medical help Therapy Service 1 Blood analysis of P Result Service 2 … Person Person Profile 2 Profile 1+2+… Big Brother Loss of control• All-or-nothing delegation • DREISAM: Protocol for unlinkable delegation of rights on personal data Problem 2: Delegation ofProblem 2: Delegation of ProfilesProfiles Challenge: User-controlled disclosure and use of personal data Driving licence Stella Freiburger Classes: ABE Friedrichstr. 50 D-79098 Freiburg Germany IP: 132.15.16.3 Driving licence Stella Freiburger Classes: ABE Friedrichstr. 50 D-79098 Freiburg Germany IP: 132.15.16.3 Driving licence Stella Freiburger Classes: ABE Friedrichstr. 50 D-79098 Freiburg Germany IP: 132.15.16.3 Driving licence Stella Freiburger Classes: ABE Friedrichstr. 50 D-79098 Freiburg Germany IP: 132.15.16.3
  • 6. http://www.telematik.uni-freiburg.de 6Sven Wohlgemuth <wohlgemuth@iig.uni-freiburg.de> Service 1 Profile 1 RFID data Sensor data Policy data Video data AmI changes collection: Conscious communication Unaware human-machine communication User has no control on disclosure of personal data … Sackmann, S., Strüker, J., Accorsi, R.: Personalization in Privacy-Aware Highly Dynamic Systems, CACM 49(9), 2006 Challenge: Avoidance of loss of control on personal data Problem 3: Unaware Collection of ProfilesProblem 3: Unaware Collection of Profiles
  • 7. http://www.telematik.uni-freiburg.de 7Sven Wohlgemuth <wohlgemuth@iig.uni-freiburg.de> OurOur Approach:Approach: PrivacyPrivacy EvidenceEvidence Accorsi, R.: On the Relationship of Privacy and Secure Remote Logging in Dynamic Systems, IFIP/SEC 2006
  • 8. http://www.telematik.uni-freiburg.de 8Sven Wohlgemuth <wohlgemuth@iig.uni-freiburg.de> Contact me! Sven Wohlgemuth E-Mail wohlgemuth@iig.uni-freiburg.de WWW http://www.telematik.uni-freiburg.de LookingLooking forfor PartnersPartners Challenge: Avoidance of loss of control on personal data Privacy evidences Flexible privacy policy Usable secure interfaces Delegation Secure logging & audit Watch this space!